Standard Deviation Mode

On the calculator, there is the stat mode for certain statistical functions.

The mode is called SD

Standard Deviation Plotting

Good thing is, you don’t need to follow any order.

1. Enter a number
2. M+ button
3. It should show something like n=1 these are the # of data points entered in.
4. Keep entering and M+ing numbers.
   1. S-VAR(Xrepeat or mean), then enter for Mean Deviation
   2. S-VAR(sigma), then enter for SD Population
   3. S-VAR(s), then enter for SD Sample